Have you had a look at "convert" from ImageMagick? Not sure if it reads xcf
files but worth a look.
On Thu June 23 2011 19:30:23 Kevin Brubeck Unhammer opined:
> I really like the GIMP 2.7 Export menu, but one thing I've always felt
> missing was a resize-slider for just the exported image. I like keeping
> the xcf large to avoid loss of quality, and then exporting stuff which I
> then resize But it's a bore having to resize, then export, then resize
> back (or export, then open the rexport, then resize, then save).
> I'm sure I'm not the only one who has this problem, so does anyone know
> of a script that automates this? An interactive script that e.g. adds a
> menu item 'export resized' that lets me input a new size in pixels, then
> just calls the export item, but doesn't touch the original.
Gimp-user mailing list